pci: Put the public API header in the right location

Instead of drivers/pci/, the public API headers will be found in
include/drivers/pci.

Change-Id: I577036660383e6bd9c015d6bbbcbc14bf8fb67ec
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>

drivers/pci/pci.c

@@ -57,8 +57,8 @@ In order to use the driver, BSP has to define:
 
 #include <board.h>
 
-#include "pci_mgr.h"
-#include "pci.h"
+#include <pci/pci_mgr.h>
+#include <pci/pci.h>
 
 /* NOTE. These parameters may need to be configurable */
 #define LSPCI_MAX_BUS 256 /* maximum number of buses to scan */

drivers/pci/pci_config.c

@@ -42,7 +42,7 @@ This module implements the PCI config space access functions
 #include <nanokernel.h>
 #include <nanokernel/cpu.h>
 
-#include "pci_mgr.h"
+#include <pci/pci_mgr.h>
 #include <string.h>
 
 #ifdef __MSIX_DEBUG__

drivers/pci/pci_interface.c

@@ -42,7 +42,7 @@ This module implements the PCI H/W access functions.
 #include <nanokernel.h>
 #include <nanokernel/cpu.h>
 
-#include "pci_mgr.h"
+#include <pci/pci_mgr.h>
 #include <string.h>
 #include <board.h>